Examlex
A scientist interested in how memory and cognition change throughout the life span would focus on ______.
F-test Statistic
A value calculated for conducting an F-test, used to compare variances across groups to determine if they differ significantly.
Level of Significance
A threshold within hypothesis testing used to determine if there is enough evidence to reject the null hypothesis, often set at 0.05.
Critical Value
The threshold value that the test statistic must exceed for the null hypothesis to be rejected, dependent on the chosen significance level.
Alternative Hypothesis
A statement that contradicts the null hypothesis and proposes there is indeed a significant effect or relationship between variables.
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